Always keep track of your battery's condition – with the Battery Guard transmitter for 6V, 12V, and 24V. This smart device allows for easy and precise monitoring of batteries in vehicles, trailers, boats, or RVs. Through the corresponding app, you have all important data such as voltage and charge status directly on your smartphone. This way, you recognize in good time when recharging or replacement is necessary and avoid expensive breakdowns. The compact transmitter is quick to install and impresses with reliable, modern technology. Maximum control and safety – with the Battery Guard transmitter.